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GraphicsOutputBlt() need judge parameter

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9985 6f19259b-4bc3-4df7-8a09-765794883524
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klu2 2010-02-11 05:53:06 +00:00
parent 20ead7252b
commit 97c74782a6
1 changed files with 5 additions and 1 deletions
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6
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c
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@ -1,7 +1,7 @@
/** @file /** @file
Support for Graphics output spliter. Support for Graphics output spliter.
Copyright (c) 2006 - 2009, Intel Corporation. <BR> Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at which accompanies this distribution. The full text of the license may be found at
@ -239,6 +239,10 @@ ConSplitterGraphicsOutputBlt (
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput; EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
EFI_UGA_DRAW_PROTOCOL *UgaDraw; EFI_UGA_DRAW_PROTOCOL *UgaDraw;
if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {
return EFI_INVALID_PARAMETER;
}
Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This); Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
ReturnStatus = EFI_SUCCESS; ReturnStatus = EFI_SUCCESS;